package com.hmall.gateway.filter;

import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

//@Component
@Slf4j
public class DemoGlobalFilter implements GlobalFilter, Ordered {
    /**
     * 过滤逻辑：：一切的统一过滤处理都在这里写
     * @param exchange
     * @param chain
     * @return
     */
    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
        //编写过滤器逻辑
        log.info("打印全局过滤器");
        //放行
        return chain.filter(exchange);
    }

    @Override
    public int getOrder() {
        //过滤器执行顺序，值越小，优先级越高
        return 0;
    }
}
